Hi, Garret,
Perhaps the reason for what happens is the part of code inherited from
StandardShadowMap which forces null Program on Shadow RTT rendering.
Perhaps osg::StateAttribute::PROTECT on your animation shader can do the
trick ? You may also try to comment that part and see if helps:
See line 606 in StandardShadowMap.cpp :
// optimization attributes
osg::Program* program = new osg::Program;
stateset->setAttribute( program, osg::StateAttribute::OVERRIDE |
osg::StateAttribute::ON );
HTH, Cheers,
Wojtek Lewandowski
2012/6/13 Garrett Cope <[email protected]>
> Hi,
>
> I currently have an osg scene running that uses hardware skinning (via
> osgAnimation) to animate some character models. Using these models as as
> the "shadow casters" and a ground plane as the "shadow receiver" I've been
> trying to test the various osgShadow implementations.
>
> My issue is this:
>
> When using LiSPSM, it appears that the "casting scene" used in the shadow
> RTT is of a state prior to the models being updated by the animation
> shader. This means that the shadow is more or less static - none of the
> animations done by the hardware shader are reflected.
>
> In contrast, SoftShadowMap produces a very nice shadow that incorporates
> all of the animation pieces, but of course is limited by scene size.
>
> Any ideas on how I can force the model update prior to the shadow RTT with
> LisSPSM?
> ...
>
> Thank you!
>
> Cheers,
> Garrett
>
> ------------------
> Read this topic online here:
> http://forum.openscenegraph.org/viewtopic.php?p=48278#48278
>
>
>
>
>
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